Brand X golf balls cost $15 for 12 balls. Brand Y golf balls cost $9 for 6 balls. Quantity A The average (arithmetic mean) cost per ball for the 12 brand X balls Quantity B The average (arithmetic mean) cost per ball for the 6 brand Y balls Select one of the following answer choices A Quantity A is greater. B Quantity B is greater. C The two quantities are equal. D The relationship cannot be determined from the information given. Submit Log in or register to post comments